Share this post

Link to post

Share on other sites

Guest angela

Guest angela

WAPT has no restrictions on the number of virtual users. This number is limited most of all by computer's hardware configuration and operating system. Also, it strongly depends on the specific test scenario.

An estimated number of simultaneously acting virtual users emulated by WAPT for the following standard hardware configuration: Intel Pentium IV 2.4 GHz PC, 512MB RAM should stand at about 2000.

Note that you should use Windows 2000/XP/2003 operation system. For Windows 98/Me you are limited to 100 virtual users because of restriction on amount of sockets.

The number of emulated users depends most of all on the typical time between requests for the tested system. If response time is very short, the number of simulated users should be less than 1000. If response time or time between requests is rather long, the number of users can be more. Actually, you will be able to emulate up to 2000 simultaneously acting users.

Also note that each virtual user consumes RAM (Random-Access Memory), so it cannot be less than the maximum size of response. Additionally RAM is used for test run results. If the size of maximum response is about 100KB and each virtual user consumes 100KB for test results, then you will need about 200MB of RAM to simulate 1000 virtual users. To know the amount of available memory on your computer, see Windows Task Manager -> Performance -> Physical Memory -> Available.

Share this post

Link to post

Share on other sites

Guest testing

Guest testing

WAPT has no restrictions on the number of virtual users. This number is limited most of all by computer's hardware configuration and operating system. Also, it strongly depends on the specific test scenario.

An estimated number of simultaneously acting virtual users emulated by WAPT for the following standard hardware configuration: Intel Pentium IV 2.4 GHz PC, 512MB RAM should stand at about 2000.

Note that you should use Windows 2000/XP/2003 operation system. For Windows 98/Me you are limited to 100 virtual users because of restriction on amount of sockets.

The number of emulated users depends most of all on the typical time between requests for the tested system. If response time is very short, the number of simulated users should be less than 1000. If response time or time between requests is rather long, the number of users can be more. Actually, you will be able to emulate up to 2000 simultaneously acting users.

Also note that each virtual user consumes RAM (Random-Access Memory), so it cannot be less than the maximum size of response. Additionally RAM is used for test run results. If the size of maximum response is about 100KB and each virtual user consumes 100KB for test results, then you will need about 200MB of RAM to simulate 1000 virtual users. To know the amount of available memory on your computer, see Windows Task Manager -> Performance -> Physical Memory -> Available.

If you simulate "quick" and/or "complicated" virtual users, then your processor should meet high requirements.

Thanks for angela's info. Based on this estimation, WAPT is much powerful than jmeter which is a open source load test tool. For the same config, I guess jmeter can support up to 500 users as the JVM consumes lots of RAM.

I just doubt there are some other limitations that limit WAPT to run more than 2000 users besides the physical memory e.g. network bandwidth.